← Wells

42-483-33970

PRODUCING Horizontal

MARILYN 5-5

WHEELER County · District 10 · FORMENTERA OPERATIONS LLC · STILES RANCH (GRANITE WASH CONS)

Permits

1

Max Depth

14,000 ft

First Permit

2019-04-24

Latest Activity

2019-04-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-07-26

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: TAPSTONE ENERGY, LLC

Resolved via: production → FORMENTERA OPERATIONS LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2019-07

Last Production

2026-07

Operator History

Chain of Custody

TAPSTONE ENERGY, LLC 2019-2021→ FORMENTERA OPERATIONS LLC 2021-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Gas
production & DCA →

Formation Tops (10) Elevation 2,279 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE (UPPER) - PANHAND (Brown Dolomite)2,350 ft-71 ft
BROWN DOLOMITE (LOWER) - PRESSUR (Brown Dolomite)3,990 ft-1,711 ft
PENNSYLVANIAN SHALE (Pennsylvanian)9,084 ft-6,805 ft
DOUGLAS 9,705 ft-7,426 ft
TONKAWA 9,926 ft-7,647 ft
MISSOURI10,549 ft-8,270 ft
MISSOURI BASAL10,928 ft-8,649 ft
KANSAS CITY 11,199 ft-8,920 ft
GRANITE WASHE - PANHANDLE FIELD——
GRANITE WASHES——

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-483-33918 STILES 1 · TAPSTONE ENERGY, LLC
1.4 mi
BLAINE - PRESSURED (ARTISIAN) AN 390'Glorieta 987'Wichita-Albany 1,366'Brown Dolomite 2,338'Brown Dolomite 3,969'Pennsylvanian 9,110'Douglas 9,660'Tonkawa 9,993'GRANITE WASHE - PANHANDLE FIELD —GRANITE WASHES —
✓ 42-483-33936 BRITT-RATHJEN · 4P ENERGY TEXAS, LLC
1.7 mi
Brown Dolomite 4,618'Pennsylvanian 6,814'Douglas 9,123'Tonkawa 9,972'BLAINE - PRESSURED (ARTISIAN) AN —GRANITE WASHE - PANHANDLE FIELD —Wichita-Albany —Glorieta —Brown Dolomite —GRANITE WASHES —
✓ 42-483-33978 BASS · SANGUINE GAS EXPLORATION, LLC
1.8 mi
Brown Dolomite 3,844'Douglas 9,292'GRANITE WASHES —BLAINE - PRESSURED (ARTISIAN) AN —GRANITE WASHE - PANHANDLE FIELD —Pennsylvanian —Wichita-Albany —Glorieta —Tonkawa —Brown Dolomite —
✓ 42-483-33674 STILES 68 · TAPSTONE ENERGY, LLC
2.0 mi
Cleveland 11,914'UPPER CALDWELL 12,626'CALDWELL 12,754'
✓ 42-483-33794 STILES 68 · TAPSTONE ENERGY, LLC
2.1 mi
CALDWELL 12,776'CHEROKEE 12,906'GRWS A 12,974'GRWS B 13,512'
✓ 42-483-31269 COLTHARP · SANGUINE GAS EXPLORATION, LLC
2.2 mi
BASE HEEBNER 8,920'Douglas 9,140'Tonkawa 9,700'DEESE 11,650'CHEROKEE 12,110'Granite Wash 12,110'CARBONITE WASH 14,940'Atoka 16,040'Morrow 16,902'
✓ 42-483-33963 E. R. BLOCKER 604 · 4P ENERGY TEXAS, LLC
2.2 mi
Brown Dolomite 4,522'Pennsylvanian 6,375'Douglas 8,709'Tonkawa 9,509'Wichita-Albany —Glorieta —BLAINE - PRESSURED (ARTISIAN) AN —GRANITE WASHES —Brown Dolomite —GRANITE WASHE - PANHANDLE FIELD —
✓ 42-483-33961 E. R. BLOCKER 404 · 4P ENERGY TEXAS, LLC
2.2 mi
Kansas City 10,634'CHEROKEE WASHES —CHERT —KINDERHOOK —Oswego —Atoka —Morrow —Des Moines —Cleveland —MISSOURI BASAL —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
12,642–18,381 ftPerforated

Casing (4)

SizeSet DepthCement
26"97 ft—
17.5"375 ft540 sx
12.25"6,735 ft1,750 sx
8.75"18,536 ft1,585 sx

Permit History (1)

#852196 Drill Final Completion

MARILYN 5-5 · 14,000 ft

2019-04-24

Spud 2019-05-03

Applications (1)

#852196 A TAPSTONE ENERGY, LLC
received 2019-04-16

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2019-10-30 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Google Maps → Explorer Map →
Lat 35.425436
Lon -100.078803

Well Details

Well Number
1HA
Max Depth
14,000 ft
Drill Type
Horizontal
County
WHEELER
District
10
Operator
FORMENTERA OPERATIONS LLC
Completed
2019-07-26

Operator

Location
AUSTIN
P-5 Status
X (filed 2026-06-11)
Cum Oil (all leases)
7,170,117 bbl
Cum Gas (all leases)
53,235,974 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
80